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On Structured Realizability and Stabilizability of Linear Systems

Lessard, Laurent LU ; Kristalny, Maxim LU and Rantzer, Anders LU orcid (2013) American Control Conference, 2013 p.5804-5810
Abstract
We study the notion of structured realizability for linear systems dened over graphs. A stabilizable and detectable realization is structured if the state-space matrices inherit the sparsity pattern of the adjacency matrix of the associated graph. In this paper, we demonstrate

that not every structured transfer matrix has a structured realization and we reveal the practical meaning of this fact. We also uncover a close connection between the structured realizability of a plant and whether the plant can be stabilized by a structured controller. In particular, we show that a structured stabilizing controller can only exist when the plant admits a structured realization. Finally, we give a parameterization of all structured... (More)
We study the notion of structured realizability for linear systems dened over graphs. A stabilizable and detectable realization is structured if the state-space matrices inherit the sparsity pattern of the adjacency matrix of the associated graph. In this paper, we demonstrate

that not every structured transfer matrix has a structured realization and we reveal the practical meaning of this fact. We also uncover a close connection between the structured realizability of a plant and whether the plant can be stabilized by a structured controller. In particular, we show that a structured stabilizing controller can only exist when the plant admits a structured realization. Finally, we give a parameterization of all structured stabilizing controllers and show that they always have structured realizations. (Less)
Please use this url to cite or link to this publication:
author
; and
organization
publishing date
type
Contribution to conference
publication status
published
subject
keywords
Realizability, Stabilizability, Linear Systems
pages
5804 - 5810
conference name
American Control Conference, 2013
conference location
Washington, DC, United States
conference dates
2013-06-17 - 2016-06-19
external identifiers
  • scopus:84883528527
project
LCCC
language
English
LU publication?
yes
id
5709c851-7423-4057-8181-7f3727c9a133 (old id 3994145)
date added to LUP
2016-04-04 14:26:57
date last changed
2024-04-18 19:57:43
@misc{5709c851-7423-4057-8181-7f3727c9a133,
  abstract     = {{We study the notion of structured realizability for linear systems dened over graphs. A stabilizable and detectable realization is structured if the state-space matrices inherit the sparsity pattern of the adjacency matrix of the associated graph. In this paper, we demonstrate<br/><br>
that not every structured transfer matrix has a structured realization and we reveal the practical meaning of this fact. We also uncover a close connection between the structured realizability of a plant and whether the plant can be stabilized by a structured controller. In particular, we show that a structured stabilizing controller can only exist when the plant admits a structured realization. Finally, we give a parameterization of all structured stabilizing controllers and show that they always have structured realizations.}},
  author       = {{Lessard, Laurent and Kristalny, Maxim and Rantzer, Anders}},
  keywords     = {{Realizability; Stabilizability; Linear Systems}},
  language     = {{eng}},
  pages        = {{5804--5810}},
  title        = {{On Structured Realizability and Stabilizability of Linear Systems}},
  year         = {{2013}},
}